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Головна Онлайн-тести CES Dry cargo MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel
Онлайн-тестування: Test online CES 5.1 for MASTER / Ch-Officer, Dry cargo vessel
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Онлайн-тест
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Тест складається із випадкових питань з обраної теми.
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The extinguishing agent which can be applied on any fires of class A, B, or C is:
Halon
Sprayed water
CO2
Multipurpose powder
What is the main advantage of a Positive Pressure Breathing apparatus?
The positive pressure makes it easier to breath when working hard.
It is less complicated and cheaper than the demand type BA set.
It ensures a constant supply of air.
If the face mask has a leak toxic fumes/smoke would still not enter the mask.
*What is the minimum working pressure of the international shore connection?
0.1 N/mm2
0.4 N/mm2
1N/mm2
0.25 N/mm2
The main risk for people when using CO2 as an extinguishing agent in a closed space is:
Air suppression
Toxicity
Reduction of visibility
Low temperature at the nozzle
Instructions for "Preparation for welding or hot work in cargo tanks" is laid down by the Norwegian Maritime Directorate. During ongoing inspection on work in cargo tanks, the gas concentration shall be measured:
At two levels for three places in the tank.
At three levels at one point close to the working area.
At one level for at least two places in the tank.
At three levels for at least two places in the tank.
You receive via the 8 MHz a DSC distress alert. The received DSC message is however distorted. The MMSI as well as the position are illegible. After listening at the 8 MHz telephone distress frequency, nothing is heard. This is because:
Don't know
you should have listened on the 2182 kHz
telephone signals in the same frequency band are generally weaker than DSC signals
first an acknowledgement of a coastguard station must be received via the 8MHz
The proper operation of the telex mode of an Inmarsat-A terminal can be tested by:
Doing a "commissioning test" at regular intervals
Doing an NBDP ARQ test
Requesting an " automatic linetest"
Sending a message to HF DSC
In radio telephony what is the "URGENCY CALL" which should be used to indicate that you have a very urgent message to transmit concerning the safety of another vessel or person?
Victor Victor (3 times)
Mayday Mayday (3 times)
Securite Securite (3 times)
Pan Pan (3 times)
The right order and the correct contents of a distress alert is:
None of the above
Distress-call, name of vessel (+call-sign), nature of distress, information about required assistance, position
Distress-call, name of vessel (+ call-sign), position, number of people on board, nature of distress
Don't know
The word NAVTEX is spelled conform the international phonetic alphabet:
November, Apple, Victoria, Tango, Echo, X-mas
November, Able, Valencia, Tripoli, Echo, Xantippe
November, Anna, Victor, Tango, Eduard, X-ray
November, Alfa, Victor, Tango, Echo, X-ray
What is definition on clean water?
Water with less than 15 ppm vitiation of oil
There isn’t any definition on clean water
Water with less than 45 ppm vitiation of oil
Water with less than 1 % vitiation of oil
What is the result of a "high metacentric height"?
The vessel will roll violently?
The vessel will roll slowly or be unstable?
The vessel will have a great bending moment?
The vessel-s tweendeck heights is too high?
If a nylon mooring rope gets wet by immersion in water it undergoes:
No change in strength or length.
A decrease in strength of 20 %.
No change in strength but some elongation.
An increase in strength of 20 %.
A vessel engaged in fishing and a power driven deep draft vessel restricted in her ability to manoeuvre are crossing so as to prevent the risk of collision. Which vessel keeps out of the way of the other?
They should call on VHF to agree on the action to take
The fishing vessel keeps out of the way of the power driven vessel restricted in her ability to manoeuvre
Both keep out of the way of the other
The power driven vessel restricted in her ability to manoeuvre keeps out of the way of the fishing vessel
Which type of vessel suffers from the greatest squat effects?
Vessel with a large length to beam ratio
Vessel with a high Block Coefficient
Vessel with a low Block Coefficient
Vessel with a small length to beam ratio.
What is most important when transferring route plans to other nav. systems?
Both systems use same chart datum
Both systems are made by the same manufacturer
Both systems are approved by the classification society
Both systems work according to specification
What is the main purpose of a VHF-installation onboard:
to enhance the safety of lives at sea
safe navigation and internal communication
Don't know
public traffic
By frequency is meant:
number of vibrations
time lapse of vibrations.
number of vibrations per unit of time
Don't know
Radio signals in the HF channels propagate mainly:
Along the curvature of the earth
Through hops between the ionised layers and the earth
In a straight line
Between the earth and satellites
*Which of the following information shall be specified by the muster list ?
the muster list has been prepared and approved by the Administration before the ship proceeds to sea
which officers are assigned to ensure that life-saving and fire-fighting appliances are maintained in good condition
the abandon ship signal consisting of two long blasts
the specific duties assigned to passengers that are in charge of a group of others
Give the meaning of the following symbol:
davit launched liferaft
liferaft
muster station to davit launched liferaft
muster station to liferaft
How many lifebuoys can you expect to find on board a passenger ship of 190 metres in length (including those of the quick-release system) ?
at least 24 distributed on both sides of the ship
at least 12 distributed on both sides of the ship
at least 30 distributed on both sides of the ship
at least 8 distributed on both sides of the ship
Give the meaning of the following symbol:
survival kit
lifejacket
immersion suit
child's lifejacket
Which one of the listed requirements regarding lifejackets do not correspond to present regulations? (SOLAS III/32) A lifejacket shall be so constructed that:
is capable of being worn inside-out, or as far as possible can not be incorrectly donned
it allows the wearer to jump from any height without injury and without damaging the lifejacket
it is comfortable to wear
it can be correctly donned within 1 minute without assistance
What are the tricing pendants made for?
They prevent people from falling down if the lifeboat falls down
They automatically prevent any gap between the ship side and the lifeboat at the first stage of its launching
They prevent the lifeboat from falling down if one or both davit breaks
They prevent the lifeboat from falling down if the falls break
Which one of the listed requirements regarding inflatable liferafts corresponds to present regulations? Every liferaft shall be so constructed that:
in the event of capsizing it will automatically attain a position providing an above water escape
it's canopy has viewing ports in all directions
have at least two entrances
fitted with water pockets of a highly visible colour and so designed as to fill to at least 60% of their capacity within 25 seconds of deployement
Which one among the following information shall be marked on the container of an inflatable liferaft:
the number of the liferaft
the port of registry of the ship to which the liferaft belongs
the name of the ship to which the liferaft belongs
length of painter
Which of the following fittings shall be provided to all lifeboats:
permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat
arrangements for providing an adequate view forward, aft, and to both sides
an electric power starting system for the propulsion engine with one rechargeable energy source
a remotely operated steering arrangement
Which item among those below is included in the normal equipment of every liferaft ?
one searchlight which can work continuously for not less than 3 hours
two buoyant paddles
one boat-hook
two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline
*Give the meaning of the following symbol
Release gripes
Davit launched lifeboat
Davit launched rescue boat
Release falls
*Give the meaning of the following symbol
Start ventilation of the rescue boat
Start air supply
Start air filling of the davit launched liferaft
Start ventilation of the lifeboat
What is the meaning of this symbol ?
Immersion suit
Direction indicator
Embarkation station
Muster station
*Where do you find minimum drill requirements?
In the SOLAS convention and its annex
In owner-s instruction
In manager-s instructions
In classification society rules
Why should there be checklists or work permits for hazardous operations?
To locate crew members in case of emergencie
So we know who to blame when something goes wrong
To make sure the job is done under controlled conditions
Because it is required by USCG (US Coast Guard)
What should each manufacturer of cargo tank coatings issue ?
A information guide stating type, when and how many microns of coating applied.
A resistance guide stating which chemicals are compatible with the coating.
A information guide stating how many microns of coating applied.
A resistance guide stating which poisonous vapours are compatible with the coating.
A triac is used to provide temperature control of an oven. The galley complain that the oven only reaches approximately 50% of demanded temperature. Which of the following is a likely cause?
The voltage supply to the oven controller is reduced by about 50%
Connection between the demand knob and the triac gate terminal has gone open circuit.
One of the main switching elements in the triac has failed.
The triac has completely failed.
On the figure there are four (4) possible definitions of the term "AIR DRAUGHT" given. Which one is the correct one?
Air draught is given by C on the figure
Air draught is given by D on the figure
Air draught is given by B on the figure
Air draught is given by A on the figure
On a container vessel, with regard to the carriage of Calcium Hypochlorite what is not allowed under the IMDG Code?
Cargo transport units to be carried under deck
Calcium Hypochlorite packed and shipped in Intermediate Bulk Containers (IBCs)
Calcium Hypochlorite packed and shipped in bags
Packaging group II
When would gassing-up of cargo tanks on an LNG carrier normally be necessary?
To remove inert gas or nitrogen from the cargo tank atmosphere.
Prior to loading each cargo.
When the tank atmosphere needs to be made inert.
During each ballast voyage.
When first using cleaning agent in the machinery space, the crew should:
Confirm that it won't form an emulsion
Use it sparingly
Use it liberally
Confirm that it will form an emulsion
Why is cotton the most suitable material for galley work clothes?
It is odour resistant, loose fitting and does not shrink or discolour when washed reasonably regularly.
It is more easily made into fashionable catering uniforms than synthetic fibres and is cheaper.
It is absorbant, hard-wearing, comfortable and can withstand frequent laundering at high temperatures.
It is effective at masking body odour and containing perspiration.
What are the main elements in a damage control plan?
Instructions and procedures for reporting damage to the Company
Boundaries of the watertight compartments for decks and holds. Position of controls for opening and closing of watertight compartments. Arrangement for correction of list due to flooding.
Arrangements for correction of list due to flooding within 15 minutes
A damage control plan is the same as an emergency plan
When should a vessel’s hatch pontoons not be lifted?
When the SWL of the gantry crane is not clearly marked
When the vessel is listed
When lighting conditions are poor
When the pontoons are to be lifted by a floating crane
Wich type of compressors are used as cargo compressor onboard liquified gas carriers?
One, two and three stage piston compressors.
Piston, screw and centrifugal type compressors.
One, two and three stage screw compressors.
Oil free screw and piston compressors.
The Company should ensure that the ship's personnel are able to communicate effectively in the execution of their duties related to the Safety Managment System. What does it really mean?
English language should be the working language on board the ship
All personnel on board shall be familiar with the Safety Management System. The individual seafarer shall know procedures specifically related to their rank and duties onboard.
The officers and crew should read the entire Safety Management System and memorize the content.
Everyone should know the name of the Designated Person in the Company
In a closed loop control system the error signal is derived from which of the following?
The tolerance of the feedback sensor
The process and the feeedback sensor
The demand and the feedback signal
The process and the demand
How many groups is cargo tanks divided into?
5
6
4
3
What are the characteristics of Seed Cake group B (IMDG Class 4.2) cargo?
Liable to spontaneous combustion only
May self-heat slowly; may spontaneously ignite; liable to oxidise
May self-heat slowly; may spontaneously ignite; liable to oxidise; may produce carbon dioxide
Liable to oxidise only, causing subsequent reduction of oxygen in the cargo spaces
What temperature defines "hot" water in the context of tank washing on a chemical tanker?
A minimum of 10 degrees Celsius above the discharge temperature of the cargo.
At least 40 degrees Celsius.
At least 60 degrees Celsius.
At least 70 degrees Celsius.
What is normally meant by the term 'flammable range' in relation to liquefied gas cargoes carried at sea?
It is the maximum distance from a flammable mixture of the gas that an ignition source could be to still cause the mixture to ignite.
Range between the minimum and maximum concentrations of gas in air which form a flammable mixture.
It is the minimum distance from a burning mixture that other objects or personnel need to be to avoid being burnt.
It is the vertical height that the flames of the burning gas would reach in still air.
What is the purpose of Material Safety Data Sheets?
To provide all personnel including emergency personnel with procedures for handling or working with that substance in a safe manner
To provide personnel in deck- and engine department with procedures for handling or working with that substance in a safe manner
To provide the safety officer with procedures for handling or working with that substance in a safe manner
To determine if the substance is flammable or not
What percentage of the ship’s stores are required to be inspected at Security Level 3?
25-50% of the ship's stores are required to be inspected at Security Level 3.
5-20% of the ship's stores are required to be inspected at Security Level 3.
50-80% of the ship's stores are required to be inspected at Security Level 3.
100% of the ship’s stores are required to be inspected at Security Level 3.
Once a vehicle has been stowed on board what should duty crew members ensure?
That the duty officer is notified of the vehicle’s position
That a photograph is taken of any damages
That the vehicle is lashed immediately
That there is no sign of tampering with internal accessories
Although not a requirement of the IMDG Code, on a container vessel, why would carrying Calcium Hypochlorite under refrigeration be a benefit?
To maintain a continuous air flow through the cargo.
To prevent the cargo temperature increasing into the danger zone.
To ensure the cargo is shipped in a clean container.
To maintain a record of the temperature of the cargo.
The thermal conductance capability is expressed by a materials thermal conductance number and states the heat quantity. What is the denomination for heat quantity?
Enthalpy.
Joule.
Calorific value.
Watt.
During overhaul of some plate type compressor valves the engine room rating is asked to clean the valve plates and seat. Some of the valve plates are heavily marked. What action should be taken?
Skim the valve plates in the lathe to remove all of the marks.
Discard the defective valve plates and replace them with new spares.
Dress the valve plates up using a portable grinder.
Use coarse grinding paste to remove the marks from the valve plates as quickly as possible.
The temperature control for the central cooling system low temperature circuit has failed and a new 3 term controller is to be fitted. Which of the given options would be the correct method of setting up the controller?
Set the derivative action first.
All three actions should be set simultaneously.
Set the proportional action first.
Set the integral action first.
What is the name of this unit?
A slip hook
A hydrostatic release unit
An antistatic release unit
A liferaft release unit
The instrument air system is suffering from excess water carry over to the instrument air lines. The air intake to the compressor has very high humidity. Which of the actions given in the options will most likely result in reducing this problem?
Use an additional coalescer filter in the inlet to the instrument air filter system.
Shorten the time between automatic receiver drain blow downs.
Reduce the superheat setting on the instrument air refrigeration/dryer unit.
Increase the cooling water flow through the compressor intercooler and aftercooler.
A bilge strainer is blocking up during bilge pumping operations which is causing delays as the pump frequently loses suction and has to be primed. What action should be taken to remedy the situation?
Remove the strainer plate and drill larger holes in it and replace it in the housing to avoid blockages.
Clean the strainer more frequently and clean out the bilge well at the first opportunity.
Remove the strainer plate from the housing to avoid blockage and loss of suction.
Use a portable pump to avoid blockage of the strainer.
The use of combustible material is restricted in the accommodation spaces in order to:
Reduce cost of construction
Prevent occurrence of fire and explosion
Don't know
Contain and suppress fire and explosion in the compartment of origin
Fluid-driven eductors (as commonly found on crude oil tankers), operate on a principle known as Bernoulli's principle. What does that state?
The increase in pressure at the eductor inlet is inversely proportional to the decrease in pressure as measured at the discharge orifice.
The volume of a fluid increases as the pressure in it decreases.
The discharge rate is inversely proportional to the pressure applied in the drive inlet.
The speed of a moving fluid increases as the pressure in the fluid decreases.
What must be ensured prior to loading heavy lift cargoes, on a general cargo vessel?
That the vessel is listed to the side opposite to which the load is to be lifted
That the vessel’s moorings are doubled
That the port authorities have been informed
That there are no free sufrace moments in tanks
The exhaust gas temperatures of all cylinders of a diesel engine are seen to be high. Select, from the options given, the most likely cause of this.
Poor fuel oil quality.
High wear rate in one of the fuel injection pumps.
One of the fuel cams is worn.
Insufficient cooling of the main bearings.
A combustible gas indicator of the catalytic filament type is used to check the atmosphere in an enclosed space onboard ship. When taking readings in a fuel tank which has been emptied for cleaning the meter reading initially rises and then falls back to zero. What is the likely defect, if any, in the instrument when this type of behaviour is displayed?
The sampling pump is faulty.
The filament has burnt out.
The batteries are flat.
The filament is contaminated due to too high a concentration of hydrocarbons.
Do we find integral tanks as cargo tanks on gas carriers?
Integral tanks are normally not allowed on gas carriers other than LPG carriers
Integral tanks are allowed on all types of gas carriers
Integral tanks are normally not allowed on gas carriers if the cargo to be carryed have boiling point less than –10oC at atmospheric pressure
Integral tanks are normally allowed on gas carriers if the cargo to be carryed have temperature above –10oC
Where should a sample for boiler water test purposes be taken from?
From the boiler feed system.
From the boiler steam space.
From the boiler water space.
From the blowdown line.
Which of the following is the purpose behind holding a pre-cargo transfer meeting before discharging a number of chemical grades?
To enable the master to confirm that ship's personnel have been advised of the cargo operation requirements on the Vessel Particular Questionnaire mailed to the ship's agent prior to arrival in port.
To ensure that all personnel involved are aware of the details of the proposed cargo operation, the services required and the safety considerations.
To establish tank readiness and the status of any other pre-operation preparations in order for the master to be able to confirm a time of arrival.
To ensure that the responsibility for all items on the Ship/Shore Safety Checklist is assigned and understood before the vessel arrives alongside.
Generator 1 and 2 are initially working in parallel. Prime-mover 2 suffers a total fuel loss. The likely outcome is:
Generatorset 2 trips on reverse speed
No.1 machine overspeeds and trips out on overload
No.2 generator trips on reverse power
No.1 machine overloads and trips out on overspeed
Why do we use stabilizers?
To increase the intact stability
To decrease the dynamic stability
To adjust the trim of the vessel
To decrease the rolling angle of the vessel
The wire mesh guards for the fans of refrigerated containers sometimes have coloured ribbons tied to them. Which of the options is the reason for fitting these ribbons?
To indicate if the fan is running too slowly.
To indicate that the fan is running in the correct direction.
To indicate to the crew that the fan is running as a safety consideration.
To indicate that the fan is running at the correct speed.
When should a crane or derrick sheave be replaced?
When wear down in the groove exceeds 20% of the wire rope diameter
When wear down in the groove exceeds 25% of the wire rope circumference
When wear down in the groove exceeds 25% of the wire rope diameter
When wear down in the groove exceeds 20% of the wire rope circumference
What are typical accuracies for LNG measurement with regard to temperature?
+/- 0,2 C in the range of - 150 C / - 170 C
+/- 0,7 C in the range of - 150 C / - 170 C
+/- 0,4 C in the range of - 150 C / - 170 C
+/- 0,5 C in the range of - 150 C / - 170 C
With regard to the characteristics of a mafi trailer what must be ensured prior to unfastening this unit on board a ro-ro vessel?
That the cargo details have been checked
That there is sufficient room for it to be driven away
That cargo on the trailer is not damaged
That after unfastening it will not move
The buoyancy forces upwards act at what part of the hull?
All over the underwater volume.
Along the keel.
At the centre of gravity (G)
At the centre of buoyancy (B)
Which special regulations cover transportation of grain on a Bulk Carrier?
IMO Grain Rules?
Port State Regulations?
Statutory Regulations?
Classification Society Rules?
Besides the Jensen Sling, what other method is used to load and discharge paper reels from a general cargo vessel?
The vacuum lift
Wire net slings
Wire ropes
Endless rope slings
How can you best demonstrate in an audit that you follow company cargo handling procedures?
By providing a summary of out-turn figures for the auditor.
By requesting that an audit takes place during cargo operations.
By being able to provide comprehensive and verifiable documentary records of cargo operations.
By providing a summary of incident and lost time figures for the auditor that reflects a successful and trouble-free system on board.
Why is it important to remove all traces of salt after washing the cargo holds of a bulk carrier?
Because salt will contaminate the next bulk cargo
If not done, surveyors at the load port will be unable to properly inspect the cargo holds
Because salt encourages the corrosion of steelwork
To prepare the steelwork for painting during the ballast passage
During UMS rounds, a duty engineer notices that the fuel oil overflow observation glass is full of oil. Should he:
Stop all F.O. transfers immediately, and inform the CE.
None of the listed alternatives.
Make a sounding of the F.O. overflow tank and decide if there is enough capacity to leave it until the following morning.
Call a motorman and have him sound the FO overflow tank periodically during the night.
The pressure inlet to a pressure gauge is varied from zero to full scale and back to zero again. The output (indicating pressure) versus true pressure is shown in the diagr.The non - coincidence(mis - match) of loading and unloading curve is due to internal friction in the instrument. What do we call this phenomenon?
Dead band
Threshold
Hysteresis
Resolution
Assign men to search men and women to search women unless a device such as a metal detector is used.
FALSE
.
TRUE
After discharge of a bulk cargo by grabs and bulldozers (bob cats), which part of the hold must be checked very carefully for damage?
Hold lighting
Access ladders
Corrugated bulkheads
Beam knees and upper hoppers
On a hold inspection of a Bulk Carrier it is noted that a number of transverse frame beam knees are slightly distorted; what is the significance of this?
The distorted areas should be painted
There are no concerns with this observation
This is an indication of excessive bending moment stress
This indicates the vessel is suffering racking stress and is potentially serious
Which of the following policies will best prevent germs and contamination being introduced into the galley area?
Post a notice outside the galley asking people to wash their hands before entering the galley area.
Require personnel from other departments to be checked by a member of the galley staff before allowing them to enter.
Prohibit unauthorised persons from the galley area when food is being prepared or served.
Prohibit unauthorised persons from the galley area at all times.
What do you understand by the expression Slave Controller
The controller is following a pre-set control sequens
The secondary controller in a cascade control system
Feed water controller
The controller is always working hard
When starting three phase induction motors which of the following starting methods will immediately apply rated voltage to the machine?
Soft starter
Star Delta
Direct on Line
Auto - transformer
Where is the "FORECASTLE", in the figure?
The Forecastle is D, in the figure
The Forecastle is B, in the figure
The Forecastle is C, in the figure
The Forecastle is A, in the figure
How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?
Two, and at least one of the rescue boats shall be a Fast Rescue Boat
One Fast Rescue Boat
Two Fast Rescue Boats, one on each side of the ship
None providing the ship has lifeboats
To which of the following are the Hague-Visby rules applicable?
Deck cargoes
Contracts of carriage evidenced by a bill of lading
Carriage of livestock
Charter parties
Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.